<template>
  <div class="nav-bar">
      <div class="left"><slot name="left"></slot></div>
      <div class="center"><slot name="center"></slot></div>
      <div class="right"><slot name="right"></slot></div>
  </div>
</template>

<script>
    export default {
        name: "NavBar"
    }
</script>

<style>
    .nav-bar {
        display: flex;
        height: 44px;
        line-height: 44px;
        text-align: center;
        box-shadow: 0 1px 1px rgba(100, 100, 100, .1);

    }
    .left,.right {
        width: 60px;
        /* background-color: red; */
    }
    .center {
        /* 其他给定宽度，剩下的空间center按比例占据 */
        flex: 1; 
        /* background-color: blue; */
    }
</style>